/Engine/Plugins/Experimental/GPULightmass/Source/GPULightmass/Public/GPULightmassModule.h
class FGPULightmassModule : public [IModuleInterface](API\Runtime\Core\Modules\IModuleInterface), public [IStaticLightingSystemImpl](API\Runtime\Engine\Rendering\IStaticLightingSystemImpl)
FSimpleMulticas...
OnStaticLightingSystemsChanged
TMap<UWorld&#...
StaticLightingSystems
Due to limitations in ourTMapimplementation I cannot useTUniquePtrhere But the GPULightmassModule is the only owner of all static lighting systems, and all worlds weak refer to the systems